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Robert Blouin

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Posted on Sunday, February 17, 2002 - 11:07 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I'm considering buying a mac.
On a mac, how does one take two video streams combine them into one using a side by side format and project them through separate outs?
After they are combined into a side by side format, is there an editing software that can be used upon them?
Is this possible?

-Robert
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Robert Blouin

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Posted on Sunday, February 17, 2002 - 11:10 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Sorry, wrong video card. The card I'm talking about would be a GeForce2 MX 64MB w/ TwinView.
-Robert
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Anonymous

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Posted on Monday, February 18, 2002 - 10:30 am:   Edit PostDelete PostView Post/Check IPPrint Post

Don't expect to do that on a MAC!
That's way I've switched to PC.
:-)
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Alexander Oest

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Posted on Monday, February 18, 2002 - 1:03 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I can't see why that shouldn't be possible on a Mac. Adobe Premiere exists in a Mac version, and it should be able to handle two separate streams (haven't tried yet myself, but I'm going to someday, on a PC).

Michal Husak's page on how to make stereo video with Premiere mentions splicing two streams (though I couln't find any reference to splicing into side-by-side). Here's the page:
http://mysak.umbr.cas.cz/~husakm/Public/main/stereopcvideo.html

There has also been some discussion of it in the 3dtv yahoo group (message 115 ff).
http://groups.yahoo.com/group/3dtv/

Outputting the side-by-side stereo movie over two vga outs is trivial on a PC. Should be so on a Mac, too. Just make sure you have the two outputs set to "horizontal span", and then extend your video player to cover both desktops.

Alex
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Giorgio Bogoni

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Posted on Tuesday, February 19, 2002 - 11:10 am:   Edit PostDelete PostView Post/Check IPPrint Post

Alex,
I'm a MAC user too.
Yes, you're right but don't expect things to be easy as on a PC platform.
Usually on a MAC you cannot find the right software and you haven't access to a lot of functions.
Anyway I like its interface.
About outputting the side-by-side movie on an extended desktop I don't think it's so trivial.
I cannot get a 10 fps playback on a 1600x600 extended desktop ... what graphic board, video playback softwre and compression codec do you use?
THX, Giorgio.
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Ryan

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Posted on Tuesday, February 19, 2002 - 2:55 pm:   Edit PostDelete PostView Post/Check IPPrint Post

It could be a raw processor speed issue at that point. I would recommend going with an ATI card, they have the best MPEG playback in the consumer market (at least, I think so).
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Anonymous

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Posted on Friday, February 22, 2002 - 4:20 pm:   Edit PostDelete PostView Post/Check IPPrint Post

MPEG1 sux in quality in high resolutions, MPEG2 is limited in maz resolution to DVD size, 720*576 so that's a no-go.
Since it's a MAC, look into what is hardware accelerated and use that, what PC people know might be of little use to MAC folks. Call the support? Search web sites?
Gotta be loads of MAC videoediting pages and forums with helpful dudes out there.

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